fast-check
Version:
Property based testing framework for JavaScript (like QuickCheck)
33 lines (32 loc) • 1.54 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.patternsToStringMapper = patternsToStringMapper;
exports.patternsToStringUnmapperIsValidLength = patternsToStringUnmapperIsValidLength;
exports.patternsToStringUnmapperFor = patternsToStringUnmapperFor;
const MaxLengthFromMinLength_1 = require("../helpers/MaxLengthFromMinLength");
const globals_1 = require("../../../utils/globals");
const TokenizeString_1 = require("../helpers/TokenizeString");
function patternsToStringMapper(tab) {
return (0, globals_1.safeJoin)(tab, '');
}
function minLengthFrom(constraints) {
return constraints.minLength !== undefined ? constraints.minLength : 0;
}
function maxLengthFrom(constraints) {
return constraints.maxLength !== undefined ? constraints.maxLength : MaxLengthFromMinLength_1.MaxLengthUpperBound;
}
function patternsToStringUnmapperIsValidLength(tokens, constraints) {
return minLengthFrom(constraints) <= tokens.length && tokens.length <= maxLengthFrom(constraints);
}
function patternsToStringUnmapperFor(patternsArb, constraints) {
return function patternsToStringUnmapper(value) {
if (typeof value !== 'string') {
throw new globals_1.Error('Unsupported value');
}
const tokens = (0, TokenizeString_1.tokenizeString)(patternsArb, value, minLengthFrom(constraints), maxLengthFrom(constraints));
if (tokens === undefined) {
throw new globals_1.Error('Unable to unmap received string');
}
return tokens;
};
}